1N4119UR-1

Single Zener Diodes Overview

The Microchip Technology 1N4119UR-1 is a Zener diode designed for surface-mount applications. It features a DO-213AA-2 package and operates within an extended temperature range from -65°C to +175°C. The device provides a nominal Zener voltage of 28V with a tolerance of 5%. It has a maximum power dissipation of 500 mW and a Zener impedance of 200 Ohms. The component supports a test current of 250 uA and maintains a maximum reverse leakage current of 50 nA.

Single Zener Diodes Feature Summary

• Extended high-temperature operation capability up to +175°C
• Precision voltage regulation with 5% tolerance
• Compact surface-mount form factor

Single Zener Diodes Applications

• Voltage reference circuits in harsh environments
• Over-voltage protection systems
• Precision voltage regulation modules

Single Zener Diodes Procurement Notes

Verify the specific suffix UR-1 against official Microchip documentation to confirm package type and electrical characteristics. Ensure compatibility with SMD/SMT assembly processes. Confirm RoHS status and environmental compliance requirements prior to integration into final designs.

Single Zener Diodes Selection Notes

Select this component when high-temperature stability and precise voltage regulation are required in a compact surface-mount package. Consider the 500 mW power dissipation limit and 200 Ohm impedance for circuit design constraints. Verify thermal management needs for operation near the upper temperature limit.

Single Zener Diodes Part Context

This part belongs to the Microchip 1N41xx series of round-end voltage regulator diodes. These components are engineered for reliability in demanding electronic applications. The UR-1 designation indicates a specific surface-mount variant within the broader family of Zener diodes offered by the manufacturer.

Single Zener Diodes Replacement Considerations

Consult official substitution guides for equivalent parts. Verify pinout, voltage tolerance, and package dimensions before replacing.